REPORT ON THE AMPHIPODA. 



523 



1878-79. Mecldeladt dcu 12 November 1879. Bihang till K. Svenska Vet. Akad. 

 Haudlingar. Band 5. N:o 22. Stockholm, 1880. pp. 1-76. 



At pages 62-66 Stuxberg enumerates one hundred and fifteen Arctic Amphipoda, which are met 

 with in various localities in the numbers and proportions exhibited by the following 

 table : — 



"1) GriJnland .... 



2) Spetsbergen .... 



.3) Skandinaviens N. och V. kust . 



4) Sibiriens Ishaf .... 



5) Murmanska och Hvita hafvet, Jugor schar 



6) Matotschkin schar 



7) Arktiska Amerika 



8) Britannien 



9) Island . 



10) Danmark 

 / deraf a) 



•' /') Ofriga danska sund 



' ',•) Danmarks vestkust 



11) Ostersjon 



Skagerrak och Kattegat 



3,5 %." 



In the list are named 17. Anonyx bidentatus, Stuxberg, n. sp.; 18. Onesimus zelrra, Stuxberg, 

 n. sp.; 19. Onesimus vorax, Stuxberg, n. sp.; 23. Onesinms abysskola, Stuxberg, n. sp.; 

 30. Pontoporeia sefosa, Stuxberg, n. sp. ; 37. Vertumnus glacialis, Stuxberg, n. sp.; 

 48. Aceropsis, n. gen. et n. sp.; 61. HaUrhages maculatus, Stuxberg, n. sp.; 67. Oammarus 

 erythropus, Stuxberg, n. sp.; 71. Melita, n. sp. (dentat* affinis); 72. Melita diadema, 

 Stuxberg, n. sp.; 74. Weyprecldia mivalidis, Stuxberg, n. sp.; 80. Stegocephalus kessJeri, 

 Stuxberg, n. sp.; 83. Metopa gigos, Stuxberg, n. sp.; 97. Anipelisca pida, Stuxberg, n. sp.; 

 100. Hfiploopig lineafa, Stuxberg, n. sp.; 111. Panididichia sp. The different stations at 

 which these were severally found are detailed, and as characteristic forms of the Siberian 

 glacial sea, Atylus carinatus, Eabr., and ^^ Acanthostepliia Malmgreni," Goes, receive much 

 attention. Otherwise descriptions are confined to the following, at pages 27-28 : — 



" Weyprechtia. Novum genus Amphipodum, ex familia Gammarinorum Boeck, inter 

 congeneres valde insigne est et ab iis bene diversum, neque cum aliis ejusdem famiiiae 

 generibus similitudinem prsebet quam cum genere Amatliillarum. 



"Weyprechtia mieabilis n. sp. Corporis forma robusta, obesa; cephalocormus xoixmdi&Xn&, non 

 carinatus, eadem ferme latitudine ac altitudine ; cauda compressa, altitudine dupio niajore 

 quam latitudine. Antennss supenores inferioribus tertia parte breviores : flagello primario 

 duplo longiore quam pedunculo, 30-32 articulis composite ; ^a^eZto accesson'o prope duple 

 breviore quam pedunculo, 6-7 articulis composite. Antennse, inferiures flagello duplo longiere 

 quam pedunculo, 50-59 articulis composite. Caput rostro brevissimo, longitudine pauUo 

 minore quam latitudine ( = 4:4,5). Oculi renifermes, nigri, nitidi. Epimera l:mum- 

 4:tum duple altiora quam latiora ; l:mum angule inferiore acuminate, 2:dum et 3:tium 

 truncato-rotundato ; 5:tum et 6:tum latiora quam altiora, niargine inferiore incise. Epimeri 

 JfM margo posticus supra et infra valde incisus, in medio cornu magno, valido, acuta, 

 transrerso, deorsinn curvato prseditus, angidus infcro-posticus sidmrutus, — ita ut margo 

 posticus hicornis esse videatur. Cawlm segmenta l:mum et 2:dum epimeris angule postice 

 acutis; 3:tium bideutatum, dentibus subacutis et sursum productis : 4:tum depressiene 

 transversa sellifermi hand profunda. Pedes spurii biramei, ramis longitudine subasqualibus, 

 lanceolatis, marginibus serratis et setigeris. Appendix caudalis tertia parte longior quam 



